?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=F&rft.au=Simtowe%2C+F&rft.aulast=Simtowe&rft.atitle=Determinants+of+Agricultural+Technology+adoption%3A+the+Case+of+Improved+Pigeonpea+Varieties+in+Tanzania&rft.title=Quarterly+Journal+of+International+Agriculture&rft.issn=0049-8599&rft.date=2011&rft.volume=50&rft.pages=325-345&rft.issue=4&rft.genre=article